Difference between pages "Advanced Format" and "Plaso"

From ForensicsWiki
(Difference between pages)
Jump to: navigation, search
(The Problem: Death of LBA 63)
 
(Windows Registry formats)
 
Line 1: Line 1:
=The Technology=
+
{{Infobox_Software |
Hard drive manufacturers have moved to a new standard: 4KB (4,096 bytes) sectors, replacing 512B sectors. This is a good thing; it means that the signal-to-noise ratio improves, and less space is needed for error correction. Long-term improvements in speed, density, and overall capacity. Western Digital has started releasing drives with 4KB sectors under the name "Advanced Format" (not to be confused with the [[Advanced Forensics Format]]).
+
  name = plaso |
 +
  maintainer = [[Kristinn Gudjonsson]], [[Joachim Metz]] |
 +
  os = [[Linux]], [[Mac OS X]], [[Windows]] |
 +
  genre = {{Analysis}} |
 +
  license = {{APL}} |
 +
  website = [https://code.google.com/p/plaso/ code.google.com/p/plaso/] |
 +
}}
  
=The Standard=
+
Plaso (plaso langar að safna öllu) is the Python based back-end engine used by tools such as log2timeline for automatic creation of a super timelines. The goal of log2timeline (and thus plaso) is to provide a single tool that can parse various log files and forensic artifacts from computers and related systems, such as network equipment to produce a single correlated timeline. This timeline can then be easily analysed by forensic investigators/analysts, speeding up investigations by correlating the vast amount of information found on an average computer system. Plaso is intended to be applied for creating super timelines but also supports creating [http://blog.kiddaland.net/2013/02/targeted-timelines-part-i.html targeted timelines].
ATA 7 (T13/D1532, INCITS 397-2005) introduced Long Physical Sector (LPS) and Long Logical Sector (LLS) feature sets. Drives with large sector sizes shall report the actual physical/logical size in words 106 and 117-118 of the ATA IDENTIFY data.
+
  
Some Western Digital drives with "Advanced Format" reportedly do not provide the information about physical sector size (see [[#External_Links|External Links]]).
+
The Plaso project site also provides [[4n6time]], formerly "l2t_Review", which is a cross-platform forensic tool for timeline creation and review by [[David Nides]].
  
=The Problem: Death of LBA 63=
+
== Supported Formats ==
Operating systems written before the transition, particularly XP, have trouble with the new drives. XP makes an assumption about where the format should start (LBA 63), but this doesn't work well with the translation software that maps from logical 512B blocks to physical 4K blocks.
+
  
The nutshell is that XP should not be used to format these drives, and some assumptions made by tools and users need to be corrected. For analysis purposes, note that you can't assume that an NTFS partition starts at LBA 63. If you are used to using, for example, the Sleuthkit command "fls -o 63 <image>", this may need to change. Hopefully more information about these drives will come forth as time progresses.
+
=== Storage Media Image File Formats ===
 +
Storage Medis Image File Format support is provided by [[dfvfs]].
  
LBA 63 was dying anyway.  Windows Vista and Windows 7 both align to LBA 2048 by default.  This change happened before the Advanced Format 512e drives hit the marketplace.
+
=== Volume System Formats ===
 +
Volume System Format support is provided by [[dfvfs]].
  
=The Solution=
+
=== File System Formats ===
To format one of these drives properly for Windows XP, use the following utility (this applies only to drives from Western Digital):
+
File System Format support is provided by [[dfvfs]].
  
[http://www.wdc.com/en/products/advancedformat/ Western Digital Advanced Drive Format Utility]
+
=== File formats ===
 +
<b>TODO expand this list</b>
  
=External Links=
+
* Apple System Log (ASL)
*[http://www.anandtech.com/storage/showdoc.aspx?i=3691 A Good Overview at AnandTech]
+
* Basic Security Module (BSM)
*[http://www.wdc.com/wdproducts/library/WhitePapers/ENG/2579-771430.pdf PDF White Paper]
+
* Bencode files
*[http://www.tomshardware.com/reviews/green-terabyte-1tb,2078-2.html A Tom's Hardware Review of the WD Caviar Green Drives]
+
* [[Google Chrome|Chrome cache files]]
*[https://ata.wiki.kernel.org/index.php/ATA_4_KiB_sector_issues ATA 4 KiB sector issues (good summary from Linux ATA wiki)]
+
* [[Extensible Storage Engine (ESE) Database File (EDB) format]] using [[libesedb]]
*[http://lwn.net/Articles/377895/ 4K-sector drives and Linux (LWN.net)]
+
* [[Internet Explorer History File Format]] (also known as MSIE 4 - 9 Cache Files or index.dat) using [[libmsiecf]]
*[http://sourceforge.net/apps/trac/smartmontools/ticket/62 WD6400AARS-00Y5B1 does not provide sector size info (smartmontools ticket)]
+
* [[OLE Compound File]] using [[libolecf]]
 +
* [[Property list (plist)|Property list (plist) format]] using [[binplist]]
 +
* SQLite databases
 +
* Syslog
 +
* [[Windows Event Log (EVT)]] using [[libevt]]
 +
* [[Windows NT Registry File (REGF)]] using [[libregf]]
 +
* [[LNK|Windows Shortcut File (LNK) format]] using [[liblnk]]
 +
* [[Windows XML Event Log (EVTX)]] using [[libevtx]]
 +
 
 +
=== Bencode file formats ===
 +
* Transmission
 +
* uTorrent
 +
 
 +
=== ESE database file formats ===
 +
* Internet Explorer WebCache format
 +
 
 +
=== OLE Compound File formats ===
 +
* Document summary information
 +
* Summary information (top-level only)
 +
 
 +
=== Property list (plist) formats ===
 +
<b>TODO expand this list</b>
 +
 
 +
=== SQLite database file formats ===
 +
* Android call logs
 +
* Android SMS
 +
* Chrome cookies
 +
* Chrome browsing and downloads history
 +
* Firefox browsing and downloads history
 +
* Google Drive
 +
* Launch services quarantine events
 +
* MacKeeper
 +
* Mac OS X document versions
 +
* Skype
 +
* Zeitgeist activity
 +
 
 +
=== Windows Registry formats ===
 +
<b>TODO expand this list</b>
 +
* AppCompatCache
 +
* CCleaner
 +
* MountPoints2
 +
* MSIE Zone
 +
* MSIE Zone Software
 +
 
 +
== History ==
 +
Plaso is a Python-based rewrite of the Perl-based [[log2timeline]] initially created by [[Kristinn Gudjonsson]]. Plaso builds upon the [[SleuthKit]], [[libyal]] and other projects.
 +
 
 +
== See Also ==
 +
* [[dfvfs]]
 +
* [[log2timeline]]
 +
 
 +
== External Links ==
 +
* [https://code.google.com/p/plaso/ Project site]
 +
* [https://sites.google.com/a/kiddaland.net/plaso/home Project documentation]
 +
* [http://blog.kiddaland.net/ Project blog]
 +
* [https://sites.google.com/a/kiddaland.net/plaso/usage/4n6time 4n6time]

Revision as of 03:35, 3 June 2014

plaso
Maintainer: Kristinn Gudjonsson, Joachim Metz
OS: Linux, Mac OS X, Windows
Genre: Analysis
License: APL
Website: code.google.com/p/plaso/

Plaso (plaso langar að safna öllu) is the Python based back-end engine used by tools such as log2timeline for automatic creation of a super timelines. The goal of log2timeline (and thus plaso) is to provide a single tool that can parse various log files and forensic artifacts from computers and related systems, such as network equipment to produce a single correlated timeline. This timeline can then be easily analysed by forensic investigators/analysts, speeding up investigations by correlating the vast amount of information found on an average computer system. Plaso is intended to be applied for creating super timelines but also supports creating targeted timelines.

The Plaso project site also provides 4n6time, formerly "l2t_Review", which is a cross-platform forensic tool for timeline creation and review by David Nides.

Supported Formats

Storage Media Image File Formats

Storage Medis Image File Format support is provided by dfvfs.

Volume System Formats

Volume System Format support is provided by dfvfs.

File System Formats

File System Format support is provided by dfvfs.

File formats

TODO expand this list

Bencode file formats

  • Transmission
  • uTorrent

ESE database file formats

  • Internet Explorer WebCache format

OLE Compound File formats

  • Document summary information
  • Summary information (top-level only)

Property list (plist) formats

TODO expand this list

SQLite database file formats

  • Android call logs
  • Android SMS
  • Chrome cookies
  • Chrome browsing and downloads history
  • Firefox browsing and downloads history
  • Google Drive
  • Launch services quarantine events
  • MacKeeper
  • Mac OS X document versions
  • Skype
  • Zeitgeist activity

Windows Registry formats

TODO expand this list

  • AppCompatCache
  • CCleaner
  • MountPoints2
  • MSIE Zone
  • MSIE Zone Software

History

Plaso is a Python-based rewrite of the Perl-based log2timeline initially created by Kristinn Gudjonsson. Plaso builds upon the SleuthKit, libyal and other projects.

See Also

External Links